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C3925E-CME-SRST/K9
3925E Voice Bundle w/ PVDM3-64,FL-CME-SRST-25, UC License PA
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C3925E-CME-SRST/K9 is a high-performance, enterprise-class router built with a modular architecture that supports a variety of interface modules, including dual WAN ports and flexible LAN configurations. It offers redundant AC power options and integrated services such as voice, video, and WAN optimization, ensuring robust performance and reliability tailored to demanding network environments.
C3925E-CME-SRST/K9 also features advanced VPN capabilities with IPSec, SSL, and DMVPN support, delivering secure remote access alongside optimized throughput and QoS to maintain service quality. Its modular design and high availability redundancy make it ideal for enterprise and mission-critical deployments where scalability, integrated services, and consistent performance are paramount.
C3925E-CME-SRST/K9 price is $7,969.00, a 52.6% saving from the Cisco list price of $16,795.00. C3925E-CME-SRST/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C3925E-CME-SRST/K9 for additional pricing. Browse the full Router Isr 3900 series or explore all Cisco products.
Deploy the C3925E-CME-SRST/K9-3925E Voice Bundle with PVDM3-64 and FL-CME-SRST-25 to enable local call processing when WAN links fail. This configuration guarantees uninterrupted telephony and automated failover for remote sites, delivering resilient voice continuity and reducing business downtime.
Leverage the Cisco C3925E voice bundle with UC License PA and PVDM3-64 to migrate from legacy PBX to Cisco Unified Communications Manager Express. Organizations gain high-density call control, hardware-based transcoding, and simplified provisioning—accelerating time to service and optimizing TCO.
Use the C3925E-CME-SRST/K9-3925E with PVDM3-64 DSP modules to power encrypted, multi-site video conferencing and advanced media processing at branch offices. This solution offloads voice/video transcoding, enforces QoS, and enhances collaboration performance—boosting user experience and network efficiency.
To get the detailed certification, please go to the Compliance Center.
| C3925E-CME-SRST/K9 |  C3925-VSEC/K9 |  C3945-VSEC-SRE/K9 |  C3945E-CME-SRST/K9 |  C3945-CME-SRST/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | IEEE 802.3 | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE | FCC / CE / UL |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 16.1 inches | 18 inches | 20.3 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC / CISPR | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | EHWIC, NIM | EHWIC / NIM | EHWIC / NIM | NIM | NIM / EHWIC |
| Features | VPN, VoIP, Integrated Services, Firewall | VPN / IPv6 Compatible / Firewall / Integrated Security | VPN / IPv6 Compatible / Firewall / MPLS | VPN / Firewall / IPv6 Compatible / Voice | VPN / VoIP / Integrated Services / Redundancy |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount / Chassis |
| Height | N/A | 4.3 inches | 3.5 inches | 4.5 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice / Video | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / Data |
| Interface Ports | RJ-45, SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP |
| LAN Ports | Modular LAN | 4 LAN Ports | Modular LAN | Modular LAN | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 4 GB |
| Modular Slots Available | 3+ Slots | 2 Slots | 3+ Slots | 3+ Slots | 3+ Slots |
| Network Protocols | IPv4, IPv6 | IPv4 / IPv6 | TCP/IP, PPP, Frame Relay, HDLC | IPv4 / IPv6 | IPv4 / IPv6 |
| Power | N/A | 175W | 290 Watts | 255 Watt | AC 290W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply with Redundant Option | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco 3925E Integrated Services Router (CME, SRST) - C3925E-CME-SRST/K9 | C3925-VSEC/K9 | Cisco 3945 Integrated Services Router (VSEC-SRE/K9) | Cisco 3945E Integrated Services Router with CME and SRST | Cisco C3945-CME-SRST/K9 |
| Product Type | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | Telnet / SSH / SNMP | Telnet, SSH, SNMP | SSH / Telnet / SNMP | CLI / SNMP / HTTP / HTTPS |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing / N/A | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | UL | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | No | No | No | Yes |
| Telecom | N/A | N/A | TIA/EIA | N/A | N/A |
| Throughput Capacity | 250 Mbps | 0.4 Gbps | 75 Mbps | 0.3 Gbps | 2.5 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise / Business | Enterprise / Branch Office |
| VPN Support | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / FlexVPN / N/A | IPSec / SSL VPN / DMVPN |
| WAN Configuration | Dual WAN | Dual WAN | WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | Modular WAN | Modular WAN | 2 WAN |
| Weight | N/A | 38 lbs | 33 lbs | 16.5 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | 17.3 inches | 17 inches | 17.5 inches | N/A |
| Wireless Support | No | No | No | No | No |
3925E CME-SRST bundle provides reliable voice continuity with PVDM3-64. Perfect for medium branch offices needing uninterrupted UC.
Smooth deployment and predictable performance. Ensures call quality and UC failover during outages.
Handles multiple voice endpoints efficiently. Minimal downtime and easy management for branch offices.
Reliable Cisco voice solution. SRST integration guarantees continuous communication and stable UC performance.
Durable and efficient. Supports seamless call handling and unified communications for small to medium offices.
The Cisco 3925E Voice Bundle includes a Cisco 3925E Integrated Services Router, a PVDM3-64 Digital Signal Processor module, a FL-CME-SRST-25 failover license for Cisco Unified Communications Manager Express and Survivable Remote Site Telephony, and a UC License Performance Advantage (PA) for advanced unified communications features.
The PVDM3-64 module supports up to 64 concurrent G.711 voice calls or a mix of compressed codecs, ensuring high-density voice call processing for small to mid-sized deployments.
The FL-CME-SRST-25 license enables failover for up to 25 IP phones, allowing Cisco Unified Communications Manager Express to provide uninterrupted call processing during WAN outages via Survivable Remote Site Telephony.
The UC License PA provides advanced unified communications features such as Cisco Expressway connectivity, enhanced security, secure remote access, and support for advanced voice and video collaboration services.
This bundle supports Cisco IP Phone series 7800, 8800, and 8900 endpoints, as well as third-party SIP phones when configured through Cisco Unified Communications Manager Express.
Yes, the Cisco 3925E Voice Bundle fully supports SIP trunking with secure TLS and SRTP encryption for carrier and hosted VoIP services.
High availability is achieved through Survivable Remote Site Telephony with FL-CME-SRST licensing and redundant PSU options on the Cisco 3925E platform.
This bundle is ideal for branch offices, retail sites, and small data centers requiring integrated routing, switching, and advanced voice services with failover capability.
Software updates and technical support are provided through Cisco SMARTnet service contracts, which must be purchased separately to ensure ongoing OS updates and 24/7 support.
Yes, you can upgrade to higher-density PVDM3 modules, such as PVDM3-128 or PVDM3-256, subject to the Cisco 3925E platform’s DSP slot capacity.
The Cisco 3925E operates on redundant AC or DC power supplies (100–240V AC, –48V DC) and supports operating temperatures from 32°F to 104°F (0°C to 40°C).
Configure SRST by licensing FL-CME-SRST-25, enabling CME on the router, mapping IP phone MAC addresses, and setting SRST fallback parameters within the CME SIP peer profile.
This bundle uses Cisco’s perpetual licensing model: FL-CME-SRST-25 and UC License PA are perpetual, with optional annual SMARTnet contracts for support and updates.
Depending on codec and bandwidth, the Cisco 3925E supports up to 120 SIP trunks, subject to DSP capacity and WAN interface performance.
The router supports Cisco QoS features such as classification, marking (DSCP), low-latency queueing, and traffic shaping to ensure high-quality voice performance.
You can purchase the Cisco 3925E Voice Bundle through Cisco certified partners, authorized resellers, or the Cisco online storefront. Contact sales for pricing, availability, and lead times.